The popular series of stimulating a woman's new erogenous zone, the Spence gland, and making her cum over and over again features the superbly busty and glamorous Tsubasa Hano! The Spence gland is like the G-spot of the breast. The Spence gland is forcibly stimulated with a Spence gland development device, making her squirt and climax! Developed by a specialist in breast research, this is the first time she has ever had a breast orgasm! Nipple teasing sex, toy play that makes her pee and climax, sensitivity-boosting titjob, and the sight of her beautiful body writhing and climaxing will make you erect so hard it hurts!